This Sany 85 excavator, which was manufactured at the end of 2020, is a second-hand construction machinery with outstanding performance and reliable quality. It has a working time of 3,800 hours. This usage duration indicates that it is in the golden stage of the mechanical life cycle, ensuring the maturity and stability of the equipment while also leaving sufficient service life. The design of the extended arm gives this excavator obvious advantages in terms of excavation depth and working range, making it particularly suitable for engineering projects that require a large working radius, such as deep foundation pit excavation and river channel cleaning. In terms of the power system, this model adopts an efficient and energy-saving engine configuration, ensuring strong power output while taking fuel economy into account. Even in the face of complex and changeable construction sites, it can handle them with ease. In addition, its advanced hydraulic system design not only enhances the operational flexibility and response speed of the entire machine, but also significantly improves work efficiency and stability. The entire hydraulic circuit has been meticulously calibrated to ensure smooth operation under various working conditions, red2025-12-12 11:37:13